#VU117646 Use of uninitialized resource in FortiOS and FortiProxy - CVE-2023-37930

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Main Vulnerability Database Vulnerabilities #VU117646

#VU117646 Use of uninitialized resource in FortiOS and FortiProxy - CVE-2023-37930

Published: October 24, 2025


Vulnerability identifier: #VU117646
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-37930
CWE-ID: CWE-908
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
FortiOS
FortiProxy
Software vendor:
Fortinet, Inc

Description

The vulnerability allows a remote user to compromise the affected system.

The vulnerability exists due to usage of uninitialized resources within the SSL-VPN webmode. A remote authenticated user can send specially crafted requests to the SSL-VPN websocket, trigger uninitialized usage of resources and perform a denial of service attack or execute arbitrary code on the device. 


Remediation

Install updates from vendor's website.

External links